Home / 15,478,752.80-23,218,129.20-4,120,349.60

Finding the Fourth Proportional to 15,478,752.80, 23,218,129.20 and 4,120,349.60

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Solution

The fourth proportional to 15,478,752.80, 23,218,129.20 and 4,120,349.60 is: 6,180,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478,752.80 : 23,218,129.20 = 4,120,349.60 : x
  2. Step 2: Convert to fraction form
    15,478,752.80/23,218,129.20 = 4,120,349.60/x
  3. Step 3: Cross multiply
    15,478,752.80x = 23,218,129.20 × 4,120,349.60
  4. Step 4: Simplify right side
    15,478,752.80x = 95,666,809,361,968.31
  5. Step 5: Solve for x
    x = 95,666,809,361,968.31/15,478,752.80
  6. Step 6: Final answer
    x = 6,180,524.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.